20221022210212 has 12 divisors (see below), whose sum is σ = 35386973431600. Its totient is φ = 10110458372616.

The previous prime is 20221022210203. The next prime is 20221022210219. The reversal of 20221022210212 is 21201222012202.

It is a self number, because there is not a number n which added to its sum of digits gives 20221022210212.

It is not an unprimeable number, because it can be changed into a prime (20221022210219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12313962 + ... + 13859137.

Almost surely, 2^{20221022210212} is an apocalyptic number.

It is an amenable number.

20221022210212 is a deficient number, since it is larger than the sum of its proper divisors (15165951221388).

20221022210212 is a wasteful number, since it uses less digits than its factorization.

20221022210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26366250 (or 26366248 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20221022210212 its reverse (21201222012202), we get a palindrome (41422244222414).

The spelling of 20221022210212 in words is "twenty trillion, two hundred twenty-one billion, twenty-two million, two hundred ten thousand, two hundred twelve".